GB/T Standards
Found: 34399 — page 50 of 717
Valid
GB/T 20236-2025 — Accelerated outdoor weathering test methods for nonmetallic materials using concentrated natural sunlight
National·Recommended
Instant delivery (0–9 sec)
$335.0019 pages
Valid
GB/T 20244-2025 — Fibre optic elements for image transmission
National·Recommended
Instant delivery (0–9 sec)
$290.0030 pages
Valid
GB/T 20344-2025 — Tractors and machinery for agriculture and forestry - Power transmission connectors
National·Recommended
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$245.0024 pages
Valid
GB/T 20415-2025 — Rubber- or plastic-coated fabrics - Insulating tape
National·Recommended
Instant delivery (0–9 sec)
$190.0017 pages
Valid
GB/T 20424-2025 — Specification for the limits on harmful element content of heavy non-ferrous metal concentrate products
National·Recommended
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$80.0015 pages
Valid
GB/T 20436-2025 — Dimethylsiloxane cyclics mixture
National·Recommended
Instant delivery (0–9 sec)
$305.0017 pages
Valid
GB/T 20476-2025 — Treatment and management of pine wood and its products in quarantine area for pine wilt disease
National·Recommended
Instant delivery (0–9 sec)
$220.0015 pages
Valid
GB/T 20480-2025 — Classification of sand and dust weather
National·Recommended
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$200.0017 pages
Valid
GB/T 20483-2025 — Land desertification monitoring method
National·Recommended
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$250.0015 pages
Valid
GB/T 20520-2025 — Cybersecurity technology - Public key infrastructure - Specification for time stamp
National·Recommended
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$335.0018 pages
Valid
GB/T 20532-2025 — Specification of part of speech (POS) tag of contemporary Chinese for Chinese information processing (CIP)
National·Recommended
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$245.0015 pages
Valid
GB/T 20538.1-2025 — Electronic business eXtensible Markup Language (ebXML) business data and process — Part 1: Core components data type catalogue
National·Recommended
Instant delivery (0–9 sec)
$365.0020 pages
Valid
GB/T 20623-2025 — Emulsions for architectural coatings
National·Recommended
Instant delivery (0–9 sec)
$230.0015 pages
Valid
GB/T 20643.1-2025 — Special environmental condition — Environmental test method — Part 1: General
National·Recommended
Instant delivery (0–9 sec)
$275.0015 pages
Valid
GB/T 20643.2-2025 — Specific environmental condition — Environmental test method — Part 2: Artificial environment test method and guidance — Electric and electronic products (including communication products)
National·Recommended
Instant delivery (0–9 sec)
$200.0015 pages
Valid
GB/T 20643.3-2025 — Special environmental condition — Environmental test method — Part 3: Artificial environmental test method and guidance — Polymer material
National·Recommended
Instant delivery (0–9 sec)
$170.0015 pages
Valid
GB/T 20644.1-2025 — Special environmental condition — Guidance for choosing — Part 1: Metals protection
National·Recommended
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$185.0015 pages
Valid
GB/T 20644.2-2025 — Special environmental condition—Guidance for choosing—Part 2: Polymer materials
National·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
GB/T 20735-2025 — Pressure regulators of CNG vehicles
National·Recommended
Instant delivery (0–9 sec)
$305.0020 pages
Valid
GB/T 20786-2025 — Rubber track
National·Recommended
Instant delivery (0–9 sec)
$260.0019 pages
Valid
GB/T 20795-2025 — Determination of smoke point for vegetable fats and oils
National·Recommended
Instant delivery (0–9 sec)
$170.0017 pages
Valid
GB/T 20801.1-2025 — Pressure piping code - Part 1: Industrial piping
National·Recommended
Instant delivery (0–9 sec)
$2,980.00197 pages
Valid
GB/T 20801.5-2025 — Pressure piping code - Part 5: Hydrogen piping and pipelines
National·Recommended
Instant delivery (0–9 sec)
$1,265.0076 pages
Valid
GB/T 20804-2025 — Compound premix of dairy cattle
National·Recommended
Instant delivery (0–9 sec)
$170.0015 pages
Valid
GB/T 20807-2025 — Supplementary concentrate of sheep
National·Recommended
Instant delivery (0–9 sec)
$150.0015 pages
Valid
GB/T 20839-2025 — Intelligent transport systems - General terminology
National·Recommended
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$365.0018 pages
Valid
GB/T 20850-2025 — Safety of machinery - Guidelines for the application of machinery safety standards
National·Recommended
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$1,400.0076 pages
Valid
GB/T 20882.1-2025 — Quality requirements for starch sugar — Part 1: Edible dextrose
National·Recommended
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$260.0015 pages
Valid
GB/T 20882.5-2025 — Quality requirements for starch sugar — Part 5: Maltose
National·Recommended
Instant delivery (0–9 sec)
$305.0017 pages
Valid
GB/T 20882.7-2025 — Quality requirements for starch sugar — Part 7: Trehalose
National·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
GB/T 20899.10-2025 — Methods for chemical analysis of gold ores — Part 10: Determination of antimony content
National·Recommended
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$250.0015 pages
Valid
GB/T 20899.9-2025 — Methods for chemical analysis of gold ores — Part 9: Determination of carbon content
National·Recommended
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$245.0015 pages
Valid
GB/T 20910-2025 — Temperature and pressure safety valves for hot water supply systems
National·Recommended
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$245.0013 pages
Valid
GB/T 20923-2025 — Service indicators and evaluation methods for road freight transport enterprises
National·Recommended
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$305.0019 pages
Valid
GB/T 20931.12-2025 — Methods for the chemical analysis of lithium - Part 12: Determination of impurity element content - Inductively coupled plasma atomic emission spectrometry
National·Recommended
Instant delivery (0–9 sec)
$260.0019 pages
Valid
GB/T 20935-2025 — Metal materials — Method of electromagnetic acoustic inspection
National·Recommended
Instant delivery (0–9 sec)
$365.0020 pages
Valid
GB/T 20948-2025 — Tractors for agriculture and forestry — Devices for indirect vision — Technical specification
National·Recommended
Instant delivery (0–9 sec)
$500.0028 pages
Valid
GB/T 20956-2025 — Printing machinery - Safety technical specification for cutting equipment
National·Recommended
Instant delivery (0–9 sec)
$470.0030 pages
Valid
GB/T 20959-2025 — NC vertical turret
National·Recommended
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$365.0020 pages
Valid
GB/T 20960-2025 — NC horizontal turret
National·Recommended
Instant delivery (0–9 sec)
$365.0020 pages
Valid
GB/T 20965-2025 — Control network HBES technical specification — Home and building control system
National·Recommended
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$10,400.00578 pages
Valid
GB/T 20974-2025 — Rigid phenolic foam for thermal insulation (PF)
National·Recommended
Instant delivery (0–9 sec)
$155.0014 pages
Valid
GB/T 20988-2025 — Cybersecurity technology - Disaster recovery specifications for information systems
National·Recommended
Instant delivery (0–9 sec)
$920.0049 pages
Valid
GB/T 21033-2025 — Determination of immunoglobulin IgG in feeds - High performance liquid chromatography
National·Recommended
Instant delivery (0–9 sec)
$155.0017 pages
Valid
GB/T 21035-2025 — Feed safety assessment — Teratogenicity test
National·Recommended
Instant delivery (0–9 sec)
$230.0015 pages
Valid
GB/T 2104-2025 — General rules for the packing, marking and quality certificates of steel wire ropes
National·Recommended
Instant delivery (0–9 sec)
$155.0015 pages
Valid
GB/T 21067-2025 — Electrical equipment of industrial machines - Electromagnetic compatibility - General requirements for immunity
National·Recommended
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$245.009 pages
Valid
GB/T 21097-2025 — General rules on safe service life and recycling for household and similar electrical appliances
National·Recommended
Instant delivery (0–9 sec)
$190.0015 pages